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https://issues.apache.org/jira/browse/HBASE-20452?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16443211#comment-16443211
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Nihal Jain commented on HBASE-20452:
------------------------------------
UT Failures are not relevant, passes locally.
> Master UI: Table merge button should validate required fields before submit
> ---------------------------------------------------------------------------
>
> Key: HBASE-20452
> URL: https://issues.apache.org/jira/browse/HBASE-20452
> Project: HBase
> Issue Type: Improvement
> Components: UI
> Reporter: Nihal Jain
> Assignee: Nihal Jain
> Priority: Minor
> Fix For: 3.0.0
>
> Attachments: HBASE-20452.master.001.patch,
> HBASE-20452.master.002.patch, no_region_key_specified_after_patch.png,
> only_one_region_key_specified_after_patch.png
>
>
> In HBase master UI, whether the required fields are provided should be
> validated before the button is clicked. Also, it should avoid giving a false
> message that merge request has been submitted even if the
> [validation|https://github.com/apache/hbase/blob/80cbc0d1fefdba1492d7ec6e580ad54a2960cbdb/hbase-server/src/main/resources/hbase-webapps/master/table.jsp#L181]
> fails later.
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